[teiid-designer-dev] Potential Designer Source Bindings Strategy

[Barry Lafond]

Guys, 

Ramesh will propose something that should clarify some of this. 

Note that for "preview VDB" we will NOT have to stream over any XMI, only Indexes & XML 

Barry 

----- Original Message ----- 
From: "John Verhaeg" <jverhaeg at redhat.com> 
To: "Ramesh Reddy" <rareddy at redhat.com> 
Cc: "teiid-designer-dev" <teiid-designer-dev at lists.jboss.org> 
Sent: Friday, March 26, 2010 3:02:39 PM GMT -06:00 US/Canada Central 
Subject: Re: [teiid-designer-dev] Potential Designer Source Bindings Strategy 

On Mar 26, 2010, at 2:24 PM, Ramesh Reddy wrote: 

> I am calling it "Preview API" for now. Consider that if this API has 
> following methods ( !!!these will not be the methods!!!) for 
> illustration purpose 
> 
> createVDB(vdbName); 
> addModel(vdbName, modelName, indexContents, sourceName/jndi) 
> deleteModel(vdbName, modelName) 

How would we update a model? 

> Actually for your workspace, no need to do this vdb or model or all 
> models in a preview query any more. When a model changes/previewed then 
> you can choose to update *only* the changed models and then issue a 
> query. 

I was trying to reduce the number of models we sent over the wire, assuming several in the workspace would never be previewed during a session, but maybe your approach, or perhaps a per-project approach, is better just to reduce the number of communications required. 

> no to this. No really need hidden; just keep what you have now. Create 
> sudo "preview" vdb on server, just update the models as you go. If not, 
> keep "preview" vdb per/project to minimize size of unnecessary models in 
> the Teiid. 

"No" to what - the naming? If so, yes, we'll name them. But we'd still want the preview VDBs hidden from the user. 

Thanks, 

JPAV 




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